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Conferences > CLEO_SI > 2022 > STu4H > STu4H.2

Direct Optical Vortex Laser Printing of a Microdot with Close-Packed and Sintered Gold Nanoparticles

Haruki Kawaguchi, Rong Wei, Keisaku Yamane, Ken-ichi Yuyama, Satoyuki Kawano, Ryuji Morita, Kohei Toyoda, Katsuhiko Miyamoto, and Takashige Omatsu

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Abstract

We demonstrate the direct printing of an ultrafine microdot formed of gold nanoparticles by employing optical vortex laser induced forward transfer. Spin and orbital angular momentum induces the close-packing and sintering of gold nanoparticles.

© 2022 The Author(s)

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Direct print of well-aligned close-packed gold microdots with optical vortex irradiation

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